CVE-2019-6819 - CVE House
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Status published Unknown CVE-2019-6819

A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability...

Vulnerability Description

A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists which could cause a possible Denial of Service when specific Modbus frames are sent to the controller in the products: Modicon M340 - firmware versions prior to V3.01, Modicon M580 - firmware versions prior to V2.80, All firmware versions of Modicon Quantum and Modicon Premium.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

Affected Vendor

Affected Software

Modicon Controllers, Modicon M340 - firmware versions prior to V3.01 Modicon M580 - firmware versions prior to V2.80 All firmware versions of Modicon Quantum and Modicon Premium
Vulnerable Versions:
Modicon Controllers, Modicon M340 - firmware versions prior to V3.01 Modicon M580 - firmware versions prior to V2.80 All firmware versions of Modicon Quantum and Modicon Premium

Timeline

Official Publish: May 22nd, 2019
Last Modified: May 29th, 2026
Added to House: July 20th, 2026

CVSS Vectors

No vector data available

Weaknesses (CWE)